in iraq years ago, his wife urged him to go. >> she said you have to do it, somebody took care of your son, now you go take care of somebody else's >> reporter: his daughter, also a doctor, says she is concerned about her dad's decision to put himself in harm's way for three years, but she is not surprised. >> this is not so much a sacrifice, but a duty he is willing to do. >> i am 35 years into treating civilians, now i am very honored to be able to serve the military and our wounded warriors. >> reporter: one man, extending his commitment to healing, all the way to a war zone. rehema ellis, nbc news, new york. great note to end on this thursday evening we hope to see you later tonight for rock center, 10 eastern, 9 central time. and we hope to see you right back here tomorrow night. good evening. >>> good evening. thank you for joining us. he was a friend to all. that how the parents of slain ambassador chris stevens is remembering their son. stevens' mother and stepfather just returned home from washington where their son was honored by president obama. today, they sat down with nbc bay
